HEADERS += $$PWD/core/ibpp.h \
    $$PWD/core/ibpp.h \
    $$PWD/core/iberror.h \
    $$PWD/core/ibase.h \
    $$PWD/core/_ibpp.h \
    $$PWD/core/ibpp.h \
    $$PWD/core/iberror.h \
    $$PWD/core/ibase.h \
    $$PWD/core/_ibpp.h \
    $$PWD/core/ibpp.h \
    $$PWD/core/iberror.h \
    $$PWD/core/ibase.h \
    $$PWD/core/_ibpp.h
SOURCES += $$PWD/core/all_in_one.cpp \
    $$PWD/core/transaction.cpp \
    $$PWD/core/time.cpp \
    $$PWD/core/statement.cpp \
    $$PWD/core/service.cpp \
    $$PWD/core/row.cpp \
    $$PWD/core/exception.cpp \
    $$PWD/core/events.cpp \
    $$PWD/core/dbkey.cpp \
    $$PWD/core/date.cpp \
    $$PWD/core/database.cpp \
    $$PWD/core/blob.cpp \
    $$PWD/core/array.cpp \
    $$PWD/core/all_in_one.cpp \
    $$PWD/core/_tpb.cpp \
    $$PWD/core/_spb.cpp \
    $$PWD/core/_rb.cpp \
    $$PWD/core/_ibs.cpp \
    $$PWD/core/_ibpp.cpp \
    $$PWD/core/_dpb.cpp \
    $$PWD/core/user.cpp

build/debug/all_in_one.o:all_in_one.cpp::-1: error: multiple definition of `ibpp_internals::DPB::BUFFERINCR'

#include <cstring>

q.exec("execute procedure GET_AGENCY_NAME")
...
q.first();
qDebug() << q.value(0);